Final answer:
There were three main reasons against annexing the Philippines: opposition to imperialism, economic costs, and cultural differences.
Step-by-step explanation:
Reasons against annexing the Philippines:
1. Opposition to imperialism: Many Americans believed in the principles of self-determination and were opposed to the idea of seizing control of another country.
2. Economic costs: Some argued that annexing the Philippines would burden the United States with the responsibility of governing a distant territory, potentially requiring significant resources and manpower.
3. Cultural differences: Many Americans were skeptical of assimilating a population with a different culture and language into the United States.
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